Patents by Inventor Andreas Landes

Andreas Landes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5561100
    Abstract: Pyrido-fused 4-oxo-4H-benzopyrans I ##STR1## (m=0, 1 or 2; R.sup.1, R.sup.6 and R.sup.7 have the meanings stated in the description) and the salts of I, and herbicides which contain 2-(4-hetaryloxy)- and 2-(4-aryloxy)-phenoxyacetic acid derivatives or cyclohexenone derivatives as herbicidal active ingredients and pyrido-fused 4-oxo-4H-benzopyrans I' as antidotes.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: October 1, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Gerhard Nilz, Helmut Walter, Andreas Landes
  • Patent number: 5523462
    Abstract: Cyclohexenone derivatives I ##STR1## The cyclohexenone derivatives I are suitable as herbicides and for regulating plant growth.
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: June 4, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Kast, Thomas Zierke, Matthias Bratz, Ulf Misslitz, Norbert Meyer, Andreas Landes, Wilhelm Rademacher, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 5491123
    Abstract: Herbicides contain one or more antagonistic 3-aminobenzo[b]thiophenes I ##STR1## wherein the variables on the compound of formula I are defined in the specification.A) the group consisting of the cyclohexenone derivatives orB) the group consisting of the 4-hetaryloxyphenoxyacetic acid derivatives.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: February 13, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Gerhard Nilz, Thomas Roetsch, Helmut Walter, Andreas Landes
  • Patent number: 5486618
    Abstract: Substituted 5-aminopyrazoles I ##STR1## where R.sup.1 is C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -hydroxyalkyl, phenyl which may carry 1-3 of the following radicals: halogen, nitro, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio or --NR.sup.6 R.sup.7, and which may additionally carry a number of halogen atoms so that the total number of radicals is 5, R.sup.6 and R.sup.7 are each H or C.sub.1 -C.sub.4 -alkyl, R.sup.2 is H, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -haloalkyl, R.sup.3 is CN, --CO--R.sup.8 or --CS--R.sup.8, R.sup.8 is OH, C.sub.1 -C.sub.4 -alkoxy, NH.sub.2, C.sub.1 -C.sub.4 -alkylamino or di-C.sub.1 -C.sub.4 -alkylamino, R.sup.4 and R.sup.5 are each H, C.sub.1 -C.sub.4 -alkyl, PX(OR.sup.9).sub.2, --SO.sub.2 --R.sup.9, --CX--R.sup.10, --CX--NH--CY--R.sup.9 or CX--NH--SO.sub.2 --R.sup.11, X and Y are each O or S, R.sup.9 is one of the substituents R.sup.1, R.sup.10 is C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.4 -alkoxy, unsubstituted or substituted phenyl or unsubstituted or substituted NH.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: January 23, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Gerhard Nilz, Helmut Walter, Andreas Landes
  • Patent number: 5422335
    Abstract: A herbicidal composition containing one or more substituted 2-aminothiophenes of the formula I ##STR1## where R.sup.1 and R.sup.2 together from a C.sub.4 -alkylene chain to which a benzene ring may be fused,R.sup.3 is --CN or CX--R.sup.6, where R.sup.6 is hydroxyl, C.sub.1 -C.sub.4 -alkoxy or amino,R.sup.4 is hydrogen or a phenyl group which may carry one or two nitro radicals,--PO(OR.sup.8).sub.2, --CX--R.sup.9, --SO.sub.2 R.sup.10, --CX--N(H) --CO--R.sup.8 or --CX--N(R.sup.7)--SO.sub.2 --R.sup.11,whereR.sup.8 is hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl groupR.sup.9 is C.sub.1 -C.sub.20 -alkyl, partially or completely halogenated C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.6 -cycloalkyl, or amino, C.sub.1 -C.sub.4 -alkylamino, C.sub.3 -C.sub.8 -cycloalkylamino, phenyl or phenylamino, where the aromatic moiety may carry at least one of nitro and halogen;R.sup.10 is C.sub.1 -C.sub.4 -alkyl or phenyl, which may carry one C.sub.1 -C.sub.4 -alkyl radical;R.sup.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: June 6, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Gerhard Nilz, Helmut Walter, Andreas Landes
  • Patent number: 5420307
    Abstract: 2-Amino-4-oxo-4H-benzopyrans I ##STR1## (m=0, 1 or 2; R.sup.1 -R.sup.4 have the meanings stated in the description) and the salts of I, and herbicides which contain 2-(4-hetaryloxy)- and 2-(4-aryloxy)-phenoxyacetic acid derivatives and/or cyclohexenone derivatives as herbicidal active ingredients and 2-amino-4-oxo-4H-benzopyrans I' as antidotes.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: May 30, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Gerhard Nilz, Helmut Walter, Andreas Landes, Wolfgang Freund
  • Patent number: 5378677
    Abstract: Herbicidal agents containing at least one thiochromenone of the formula I ##STR1## where n is 1, 2, 3 or 4, and the radicals R.sup.3 may have different meanings when n is>1;R.sup.1 is hydrogen; cyano; halogen; substituted or unsubstituted alkyl, aryl or hetaryl;a group --XR.sup.4 or a group --COYR.sup.4, whereX is oxygen, sulfur and NR.sup.5,Y is oxygen and NR.sup.5,R.sup.4 is one of the following groups:hydrogen; formyl; alkyl; cycloalkyl; alkylcarbonyl; cycloalkylcarbonyl; alkylsulfonyl; cycloalkylsulfonyl;substituted or unsubstituted aryl, hetaryl, arylcarbonyl, hetarylcarbonyl, arylsulfonyl or hetarylsulfonyl;andR.sup.5 is hydrogen or substituted or unsubstituted alkyl, aryl or hetaryl;R.sup.2 is hydrogen; cyano; nitroso; nitro; halogen; substituted or unsubstituted alkyl, alkoxy, alkylthio, aryl or hetaryl;a group --NR.sup.4 R.sup.5 or a group --COYR.sup.4, whereY, R.sup.4 and R.sup.5 have the above meanings;R.sup.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: January 3, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Peter Raatz, Helmut Walter, Andreas Landes
  • Patent number: 5326743
    Abstract: Piperazine-2,3-diones of the formula I ##STR1## where R.sup.1 and R.sup.2 are identical or different and each is alkyl, alkenyl or alkynyl, where these groups may carry from one to five halogen atoms;monocyclic or polycyclic cycloalkyl, cycloalkenyl, cycloalkylmethyl or cycloalkenylmethyl, where the rings may carry from one to three alkyl groups or a phenyl ring; orphenyl, phenylalkyl or phenylalkenyl, where the aromatic radicals may carry from one to five halogen atoms and/or from one to three of the following groups: nitro, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio or haloalkylthio,methods for their manufacture, agents containing them and the use thereof.
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: July 5, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Costin Rentzea, Albrecht Harreus, Andreas Landes, Helmut Walter, Wilhelm Rademacher